ยง 537. Lump  sum  payment  of  de  minimis service retirement benefit.
  Notwithstanding  any  other  law  to  the  contrary,  a  member  of  the
  retirement  system  who  is  entitled to receive a retirement allowance,
  other than for disability, pursuant  to  this  article  or  pursuant  to
  article  eleven  or  fifteen  of the retirement and social security law,
  which retirement allowance prior to optional modification is twenty-four
  hundred dollars per annum or less, may elect at retirement  to  receive,
  in  lieu of such retirement allowance, a lump sum payment which has been
  certified by the actuary to be of actuarial  equivalent  value  to  such
  retirement allowance and approved by the retirement board. Such lump sum
  shall be calculated using the interest rate on thirty year United States
  treasury  bonds  as  of  January first of the calendar year in which the
  retirement becomes effective. Upon payment of such lump sum, any and all
  obligations of the retirement system to such  member  shall  be  totally
  discharged.  Commencing  January  first, two thousand four, the interest
  rate on ten year United States treasury obligations as of January  first
  of  the calendar year in which the retirement becomes effective shall be
  used. Commencing January first, two thousand sixteen, the average annual
  interest rate on ten year United States  treasury  obligations  for  the
  days  during  the calendar year that precedes the calendar year in which
  the retirement becomes effective shall be used.
Structure New York Laws
Article 11 - State Teachers' Retirement System for Public School Teachers
504 - Retirement Board; Members; Terms of Office; Vacancies.
505 - Election of the Active Teacher Members of the Board.
505-A - Election of Retired Teacher Member of Board.
506 - Board Meetings; Oaths of Office; Quorum; Expenses.
507 - Officers of Board; Custody of Funds.
508 - Investment of Funds; Interest; Accounts; Reports.
509 - Statements of Teachers' Service; Determination of Service Creditable; Service Certificates.
510 - Superannuation Retirement.
511-A - Special Service Retirement.
512 - Withdrawal and Death Benefits.
514 - Benefits to Participants in Old Retirement Fund.
516 - Annuity Savings Fund; Contributions and Payments.
517 - Annuity Reserve Fund; Pension Accumulation Fund.
518-A - Supplemental Retirement Allowance Fund.
521 - Collection of Contributions.
522 - Transfer of Contributions Between Retirement Systems.
524 - Exemption From Taxation and Execution.
525 - Protection Against Fraud.
526 - Merger of Local Teachers' Retirement and Pension Systems With the State System.
528 - Pensions-Providing-for-Increased-Take-Home-Pay.
529 - Pensions Providing for Increased Take Home Pay for Certain Teachers.
530 - Pensions-Providing-for-Increased-Take-Home-Pay-for-Teachers.
532 - Supplemental Retirement Allowance.
532-A - Cost-of-Living Adjustment.
533 - Non-Contributory Retirement Plan.
536 - Deductions From Benefits of Certain Retired Members.
537 - Lump Sum Payment of De Minimis Service Retirement Benefit.